Reliable vacuum and vacu-vapor heating equipment (1915)
The Bishop-Babcock-Becker Co. · The Bishop-Babcock-Becker Co. · leaf 54
PORTS in valve throughwhich steam passes to outlet, INLET for steam. A QUARTER TURN of this wheel-handlefully opens or closesthe valve. HEAVY PHOSPHORBRONZE SPRING — always maintains tightscaling of valve. BRONZE VALVE—con-trols amount of steamadmitted by partially orfully opening ports in seat…
Heating units · Vacuum-tube collectors · HVAC ducts and casings
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